Home / 175,529.16-263,321.28-75,717.72

Finding the Fourth Proportional to 175,529.16, 263,321.28 and 75,717.72

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Solution

The fourth proportional to 175,529.16, 263,321.28 and 75,717.72 is: 113,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,529.16 : 263,321.28 = 75,717.72 : x
  2. Step 2: Convert to fraction form
    175,529.16/263,321.28 = 75,717.72/x
  3. Step 3: Cross multiply
    175,529.16x = 263,321.28 × 75,717.72
  4. Step 4: Simplify right side
    175,529.16x = 19,938,086,949.08
  5. Step 5: Solve for x
    x = 19,938,086,949.08/175,529.16
  6. Step 6: Final answer
    x = 113,588.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.